You can get started quickly with Windows Server virtual machine images, as well as many other publicly available, pre-configured virtual machine images that are pre-bundled with Microsoft products.

The Microsoft License Mobility through Software Assurance Program allows Microsoft customers to move current on-premises Microsoft Windows Server application licenses to AWS without any additional Microsoft software license fees.

There is no new hardware for you to buy so the cost of purchasing capital equipment is eliminated.

AWS provides an easy way to test and evaluate new Windows Server applications without the cost and complexity of setting up a test lab environment. Quickly launch new applications, including prerelease applications without having to purchase and manage new hardware.

IDC discovered that the five-year total cost of ownership (TCO) of developing, deploying, and managing critical applications in AWS delivered a 72% savings when compared with deploying the same resources on-premises or in a hosted environment. The report also found a 626% ROI over five years.

Amazon EC2 provides you several flexible pricing options that can help you significantly reduce your overall IT costs, including On-Demand, Spot, and Reserved Instances. Whether your workload is variable or stable, Reserved Instances can save you up to 75% over On-Demand Instances.